Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 1, 2009
Patent Application Number
11953375
Date Filed
December 10, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
A filter made from a blend of a polymeric fibrous pulp having a length weighted average fiber length between 0.5 and 1.1 mm and a polymeric fibrous micropulp having a volume weighted average fiber length between 1.0-200.0 micrometers in which the ratio of average fiber length of the fibrous pulp to fibrous micropulp is greater than or equal to about 4:1.
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